docs: def checkIPFromAlias(alias=None):
      ''' 
  		Method that checks if the given alias is currently connected to Skype and returns its IP address. 
  
  		:param alias:	Alias to be searched.
  
  		:return:	Python structure for the Json received. It has the following structure:
  	        {
                "type": "i3visio.ip",
                "value": "1.1.1.1",
                "attributes" : []
              }
  	'''
      headers = {
      "Content-type": "text/html",
      "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
      "Accept-Encoding": " gzip, deflate",
      "Accept-Language": " es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3",
      "Connection": "keep-alive",
      "DNT": "1",
      "Host": "www.resolvethem.com",
      "Referer": "http://www.resolvethem.com/index.php",
      "User-Agent": "Mozilla/5.0 (Windows NT 6.1; rv:38.0) Gecko/20100101 Firefox/38.0",
      "Content-Length": "26",
      "Content-Type": "application/x-www-form-urlencoded",
      }    
      
      req = requests.post("http://www.resolvethem.com/index.php",headers=headers,data={'skypeUsername': alias,'submit':''})
      # Data returned
      data = req.content
      # Compilation of the regular expression
      p = re.compile("class='alert alert-success'>([0-9\.]*)<")
      allMatches = p.findall(data)
      if len(allMatches)> 0:
          jsonData = {}
          jsonData["type"]="i3visio.ip"
          jsonData["value"]=allMatches[0]
          jsonData["attributes"]=[]     
          return jsonData
      return {}